ATEN CS64A 4-Port PS/2 KVM Switch - 4 x 1 - 4 x mini-DIN (PS/2) Keyboard, 4 x mini-DIN (PS/2) Mouse, 4 x HD-15 Video CS64A

CS64A PS/2 audio KVM switch offers a simple solution for those with more PCs than space. Use one keyboard, one monitor and one mouse to control four PCs, and share a speaker set. This self-powered KVM switch features mouse & keyboard emulation for error free booting and smooth transitions when switching. Since it is bus powered it is self contained and needs no power adapter.